jquery.cookie.js 用法 jquery获取当前cookie

获取当前登录用户COOKIE字符串
JS获取方式
<head id="Head1" runat="server">
<title></title>
<script type='text/javascript' src='/j/jquery-1.7.2.min.js'></script>
<script type='text/javascript' src='/j/jquery.cookie.js'></script>
<script type="text/javascript">
var cookiestr = $.cookie('_lainfo_');
</script>
</head>

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jquery.cookie.js 

/*!
* jQuery Cookie Plugin v1.3
* https://github.com/carhartl/jquery-cookie
*
* Copyright 2011, Klaus Hartl
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://www.opensource.org/licenses/mit-license.php
* http://www.opensource.org/licenses/GPL-2.0
*/
(function ($, document, undefined) {

var pluses = /\+/g;

function raw(s) {
return s;
}

function decoded(s) {
return decodeURIComponent(s.replace(pluses, ' '));
}

var config = $.cookie = function (key, value, options) {

// write
if (value !== undefined) {
options = $.extend({}, config.defaults, options);

if (value === null) {
options.expires = -1;
}

if (typeof options.expires === 'number') {
var days = options.expires, t = options.expires = new Date();
t.setDate(t.getDate() + days);
}

value = config.json ? JSON.stringify(value) : String(value);

return (document.cookie = [
encodeURIComponent(key), '=', config.raw ? value : encodeURIComponent(value),
options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
options.path ? '; path=' + options.path : '',
options.domain ? '; domain=' + options.domain : '',
options.secure ? '; secure' : ''
].join(''));
}

// read
var decode = config.raw ? raw : decoded;
var cookies = document.cookie.split('; ');
for (var i = 0, l = cookies.length; i < l; i++) {
var parts = cookies[i].split('=');
if (decode(parts.shift()) === key) {
var cookie = decode(parts.join('='));
return config.json ? JSON.parse(cookie) : cookie;
}
}

return null;
};

config.defaults = {};

$.removeCookie = function (key, options) {
if ($.cookie(key) !== null) {
$.cookie(key, null, options);
return true;
}
return false;
};

})(jQuery, document);

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具体使用方法见这里 http://wenku.baidu.com/view/0147277e27284b73f2425074.html 

原文地址:https://www.cnblogs.com/niaowo/p/2848789.html